Prepare for and practice interview questions from I-link solutions.

I-link solutions Interview Questions

Write a query to randomly sample a row from a big table.

Random SQL Sample

Let’s say that your company is running a standard control and variant AB test on a feature to increase conversion rates on the landing page. The PM checks the results and finds a .04 p-value.

How would you assess the validity of the result?

Experiment Validity

You are testing hundreds of hypotheses with many t-tests. What considerations should be made?

What is a key disadvantage of the F-test when compared to multiple t-tests?

What is a key disadvantage of the F-test when compared to multiple t-tests?

Hundreds of Hypotheses

You are testing hundreds of hypotheses with many t-tests. What considerations should be made?

I-link solutions Salaries by Position

<div>Job Title: Business Analyst - Expert Task ID: HBITS-06-13681 Position Duration: 30 Months Client: State of NY Agency: NYS DOT Please call (703) 466-0951 | (571) 351-1868 | (703) 348-3018 or email at Description <ul> <li>Work with Agency/Business Users to develop/document new business strategies and models.</li> <li>Support and align efforts to meet customer and business needs</li> <li>Manage customer relationships and expectations by developing a communication process to keep others up-to-date on project results</li> <li>Utilize formal and informal written communication methods (eg: emails, newsletters, PowerPoint presentations, etc.) to communicate updates and findings. </li> <li>Facilitate project meetings and presentations to diverse audiences.</li> <li>Collaborate with team members and peers by articulating ideas and viewpoints driving the resolution of issues.</li> <li>Identify, create and facilitate process design changes by conducting business and systems process analysis and design at a complex level. </li> <li>Provide and support the implementation of business solutions by building relationships and partnerships with key stakeholders; identifying business needs; determining and carrying out necessary processes and practices; monitoring progress and results; recognizing and capitalizing on improvement opportunities; and adapting to competing demands, organizational changes and new responsibilities</li> <li>Provide project level analysis producing required project analysis documentation (business requirements, scope matrix, use cases, sequence diagrams, future state proposals, UAT plan)</li> <li>Collaborate closely with developers to implement the requirements, provide necessary guidance to testers during QA/QC process.</li> <li>Identify improvement opportunities (proactive and reactive)</li> <li>Elicit and clearly document business and systems requirements.</li> <li>Assess business process and system inefficiencies.</li> <li>Identify ways to increase adoption and customer satisfaction.</li> <li>Analyze and synthesize business requirements, including recognizing patterns and conceptualizing processes.</li> <li>Understand and negotiate needs and expectations of multiple stakeholders.</li> <li>Serve as a liaison between Business, Vendors and ITS to assist or gather business requirements needed for system modifications, enhancement and implementations.</li> <li>Assist with development and execution of test plans.</li> <li>Support system conversions, upgrades, enhancements</li> <li>Develop Business Cases: gather, document and obtain sign-off on business requirements; work with ITS technical team resources to identify proposed technical solutions to meet the business requirements while aligning with ITS Technical and Security Policies; and, organize the analysis of information about costs/benefits, advantages/ disadvantages, and technical feasibility of designing and implementing proposed solutions. </li> </ul> Mandatory Qualifications <table border="1" cellpadding="0" cellspacing="0" style="width:579px;" width="579"> <tbody> <tr> <td style="width:94px;height:77px;">1</td> <td style="width:485px;height:77px;">84 months experience working as a Business Analyst with agencies/business areas to understand business requirements to produce functional and non-functional specifications according to Project Management Industry standards and Secure System Development Lifecyle (SSDLC).</td> </tr> <tr> <td style="width:94px;height:111px;">2</td> <td style="width:485px;height:111px;">84 months experience developing Business Case documents: Gather, organize, analyze, and quantify data about customer needs and requirements, costs/benefits, advantages/disadvantages, technical feasibility of implementing new or changed business solutions, and comparisons of technical solutions. Translate customer input into information that can be used to make decisions and support the technical solution.</td> </tr> <tr> <td style="width:94px;height:85px;">3</td> <td style="width:485px;height:85px;">72 months experience working as a Business Analyst on complex projects in a fast-paced environment wherein the team comprises a variety of Stakeholders including Senior Business and IT Management, Business Subject Matter Experts, Vendors and IT resources to understand and negotiate needs and expectations across all.</td> </tr> <tr> <td style="width:94px;height:76px;">4</td> <td style="width:485px;height:76px;">72 months experience in business process modeling for improving business and systems operations in turn identifying innovative ways to increase customer satisfaction. This includes the ability to analyze and synthesize business requirements, including recognizing patterns and conceptualizing processes.</td> </tr> <tr> <td style="width:94px;height:56px;">5</td> <td style="width:485px;height:56px;">60 months experience in data analysis and modeling for on-line transactional processing systems, data warehouses, and/or data transformation using tools such as Oracle Data Modeler.</td> </tr> <tr> <td style="width:94px;height:36px;">6</td> <td style="width:485px;height:36px;">48 months experience in proficiency with MS Office (Word, Excel, Powerpoint) as well as MS Visio</td> </tr> <tr> <td style="width:94px;height:28px;">7</td> <td style="width:485px;height:28px;">Bachelor's degree in business, accounting, IT or any related field.</td> </tr> <tr> <td style="width:94px;height:79px;">Required Documentation</td> <td style="width:485px;height:79px;"> Rsum Copy of Candidate Identification (i.e., Driver's License/Green Card/Visa and Passport if applicable) Any documents referenced in the above Requested Qualifications (i.e., professional certifications, degrees, etc.)</td> </tr> </tbody> </table> Disclaimer: i-Link Solutions Inc. provides equal employment opportunities (EEO) to all employees and applicants for employment without regard to race, color, religion, gender, sexual orientation, gender identity or expression, national origin, age, disability, genetic information, marital status, amnesty, or status as a covered veteran in accordance with applicable federal, state and local laws. We especially invite women, minorities, veterans, and individuals with disabilities to apply. EEO/AA/M/F/Vet/Disability </div>

Job Title: Business Analyst- Expert Task ID: HBITS-06-13662 Position Duration: 30 Months Client: State of NY gency: Information Technology Services (ITS) Please call (703) 466-0951 | (571) 351-1868 | (703) 348-3018 or em il at nysreqsilinksolutions.com Description Use recognized business analysis methodologies to elicit requirements from business users ttend meetings, facilitate, and lead requirements sessions with team members Communicate efficiently the business process requirements to IT staff, program staff and stakeholders Develop and document Business Requirements Develop, analyze and revise system diagrams (flowcharts, state diagrams, strategy maps, etc.) as needed on the project Ensure that requirements and deliverables are verified and validated at the analysis and testing phases Track and fully document changes for functional and business specifications Demonstrate Business Analyst processes and techniques to other team members Participate in developing test plans for the project to ensure that program requirements are met Create status reporting mechanism to monitor the status of the above activities Mandatory Qualifications 1. 84 months of experience using fundamental Business Analyst processes, methodologies, tools, and techniques and adapting them to the organization. 2. 84 months experience in eliciting and documenting business requirements/rules from project participants. 3. 84 months experience in ensuring that requirements and deliverables are verified and validated at the analysis and testing phase 4. 84 months experience in analyzing and revising system diagrams (use cases, flowcharts, state diagrams, strategy maps, etc.) as needed on the project 5. 60 months experience in facilitation of gathering requirements from 30 or more project participants, including tracking and communicating those requirements. Required Documentation Resume Copy of Candidate Identification (i.e., Driver's License/Green Card/Visa and Passport if applicable) Any documents referenced in the above Requested Qualifications (i.e., professional certifications, degrees, etc.) Disclaimer: i-Link Solutions Inc. provides equal employment opportunities (EEO) to all employees and applicants for employment without regard to race, color, religion, gender, sexual orientation, gender identity or expression, national origin, age, disability, genetic information, marital status, amnesty, or status as a covered veteran in accordance with applicable federal, state and local laws. We especially invite women, minorities, veterans, and individuals with disabilities to apply. EEO/AA/M/F/Vet/Disability

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